Table 10 Summary of machine learning model performance for capturing non-linear interactions across datasets.

Dataset	Outcome	Model type	Performance metric (value)
Medical Student Mental Health	Total empathy	Regression	R² ≈ 0.15
	Depression	Regression	R² ≈ 0.26
	Anxiety	Regression	R² ≈ 0.29
Mental Health Depression During Quarantine	Social weakness	Classification	Accuracy ≈ 30.3%
	Growing stress	Classification	Accuracy ≈ 36.4%
Identification of Major Psychiatric Disorders	Education	Regression	R² ≈ 0.20
	Main disorder	Regression	R² ≈ 0.15

The regression models report R² values, while the classification models report accuracy.

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